Water proportioning and delivering device particularly for coffe

Details Water proportioning and delivering device particularly for coffe Water proportioning and delivering device particularly for coffe

1978-12-26

1980-07-22

Spar, Robert J.

Dispensing

Floating piston with plural or alternate discharge

With discharge volume varying means

222340, 417328, 417555R, G01F 1106

Patent

active

042135443

ABSTRACT:
A device for dispensing a measured volume of liquid such as hot water for a coffee making machine in which the liquid is delivered to and dispensed from a cylinder having a double-acting piston the stroke of which is limited and controlled by an external microswitch which is remotely operated by the piston without physical contact, e.g., magnetically, at a predetermined point in its stroke.

REFERENCES:
patent: 2909315 (1959-10-01), Sampietro
patent: 3095125 (1963-06-01), Bundy
patent: 3292824 (1966-12-01), Arp et al.
patent: 3653545 (1972-04-01), Tanner
patent: 3657925 (1972-04-01), Gross

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